(19)

(11)

EP 2 122 149 A2

(12)

(88) Date of publication A3: 12.09.2008 (43) Date of publication: 25.11.2009 Bulletin 2009/48 (21) Application number: 08702200.0 (22) Date of filing: 09.01.2008

(51) International Patent Classification (IPC):  F02M 21/02(2006.01) F16K 31/122(2006.01) G05D 16/10(2006.01) (86) International application number: PCT/IB2008/000035 (87) International publication number: WO 2008/087511 (24.07.2008 Gazette 2008/30)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 11.01.2007 IT MO20070004 (71) Applicant: Landi Renzo S.p.a. 42025 Cavriago (IT)	(72) Inventors: ALBERINI, Viliam I-42100 Massenzatico (RE) (IT) SANGREGORIO, Ercole I-80074 Casamicciola Terme (NA) (IT) (74) Representative: Crugnola, Pietro et al Luppi Crugnola & Partners S.r.l. Viale Corassori 54 41124 Modena 41124 Modena (IT)